<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Document</title>
    <script src='../vue.global.js'></script>
</head>

<body>
    <div id="app">
        <span>{{toggle}}</span>
        <input type="checkbox" v-model="toggle" true-value="yes" false-value="no" />
        <hr>

        <select v-model="selected">
            <!-- 内联对象字面量 -->
            <option :value="{ number: 123 }">123</option>
            <option :value="{ number: 456 }">456</option>
        </select>
        <span>{{selected}}</span>
    </div>

    <script>
        const app = Vue.createApp({
            data() {
                return {
                    toggle: "yes",
                    selected: { number: 123 }
                }
            }
        })
        const vm = app.mount('#app')
    </script>
</body>

</html>